Fix unit struct/enum variant in destructuring assignment

2022-04-01 20:24:32 -07:00
parent 8f36334ca9
commit 17f5c4d255
4 changed files with 80 additions and 7 deletions
--- a/compiler/rustc_hir/src/def.rs
+++ b/compiler/rustc_hir/src/def.rs
@@ -657,4 +657,9 @@ impl<Id> Res<Id> {
    pub fn expected_in_tuple_struct_pat(&self) -> bool {
        matches!(self, Res::Def(DefKind::Ctor(_, CtorKind::Fn), _) | Res::SelfCtor(..))
    }
+
+    /// Returns whether such a resolved path can occur in a unit struct/variant pattern
+    pub fn expected_in_unit_struct_pat(&self) -> bool {
+        matches!(self, Res::Def(DefKind::Ctor(_, CtorKind::Const), _) | Res::SelfCtor(..))
+    }
 }